Category Archives: Attribution

Assessing the causes of early industrial-era warming

by Nic Lewis

Was early onset industrial-era warming anthropogenic, as Abram et al. claim?

Continue reading

Refocusing the USGCRP

by David Wojick

Our goal here is to begin to articulate a research program into the role of recent long-term natural variability in climate change.

Continue reading

Record breaking N. American winters not due to climate change

by Judith Curry

A new study finds that human-caused warming in the west tropical Pacific was not responsible for a series of frigid North American winters experienced over the early 2000s.

Continue reading

Preparing a new talk

by Judith Curry

I could use some help pulling together some graphs for a talk I am giving next week.

Continue reading

Attribution of extreme weather events?

by Judith Curry

The National Academies has published a new report:  Attribution of extreme weather events in the context of climate change.

Continue reading

Nature: Making sense of the early 2000’s warming slowdown

by Judith Curry

It has been claimed that the early-2000s global warming slowdown or hiatus, characterized by a reduced rate of global surface warming, has been overstated, lacks sound scientific basis, or is unsupported by observations. The evidence presented here contradicts these claims. – Fyfe et al.

Continue reading

Insights from Karl Popper: how to open the deadlocked climate debate

by Larry Kummer, from the Fabius Maximus website.

Many factors have frozen the public policy debate on climate change, but none more important than the disinterest of both sides in tests that might provide better evidence — and perhaps restart the discussion. Even worse, too little thought has been given to the criteria for validating climate science theories (aka their paradigm) and the models build upon them.

Continue reading